// gcc -std=gnu99 -Isimavr/sim simavr/sim/sim_hex.c -o sim_hex -DIHEX_TEST -Dtest_main=main int test_main(int argc, char * argv[]) { struct ihex_chunk_t chunk[4]; for (int fi = 1; fi < argc; fi++) { int c = read_ihex_chunks(argv[fi], chunk, 4); if (c == -1) { perror(argv[fi]); continue; } for (int ci = 0; ci < c; ci++) { char n[96]; sprintf(n, "%s[%d] = %08x", argv[fi], ci, chunk[ci].baseaddr); hdump(n, chunk[ci].data, chunk[ci].size); } } }
int main(int argc, char *argv[]) { elf_firmware_t f = {{0}}; long f_cpu = 0; int trace = 0; int gdb = 0; int log = 1; char name[16] = ""; uint32_t loadBase = AVR_SEGMENT_OFFSET_FLASH; int trace_vectors[8] = {0}; int trace_vectors_count = 0; if (argc == 1) display_usage(basename(argv[0])); for (int pi = 1; pi < argc; pi++) { if (!strcmp(argv[pi], "--list-cores")) { list_cores(); } else if (!strcmp(argv[pi], "-h") || !strcmp(argv[pi], "--help")) { display_usage(basename(argv[0])); } else if (!strcmp(argv[pi], "-m") || !strcmp(argv[pi], "-mcu")) { if (pi < argc-1) strcpy(name, argv[++pi]); else display_usage(basename(argv[0])); } else if (!strcmp(argv[pi], "-f") || !strcmp(argv[pi], "-freq")) { if (pi < argc-1) f_cpu = atoi(argv[++pi]); else display_usage(basename(argv[0])); } else if (!strcmp(argv[pi], "-t") || !strcmp(argv[pi], "-trace")) { trace++; } else if (!strcmp(argv[pi], "-ti")) { if (pi < argc-1) trace_vectors[trace_vectors_count++] = atoi(argv[++pi]); } else if (!strcmp(argv[pi], "-g") || !strcmp(argv[pi], "-gdb")) { gdb++; } else if (!strcmp(argv[pi], "-v")) { log++; } else if (!strcmp(argv[pi], "-ee")) { loadBase = AVR_SEGMENT_OFFSET_EEPROM; } else if (!strcmp(argv[pi], "-ff")) { loadBase = AVR_SEGMENT_OFFSET_FLASH; } else if (argv[pi][0] != '-') { char * filename = argv[pi]; char * suffix = strrchr(filename, '.'); if (suffix && !strcasecmp(suffix, ".hex")) { if (!name[0] || !f_cpu) { fprintf(stderr, "%s: -mcu and -freq are mandatory to load .hex files\n", argv[0]); exit(1); } ihex_chunk_p chunk = NULL; int cnt = read_ihex_chunks(filename, &chunk); if (cnt <= 0) { fprintf(stderr, "%s: Unable to load IHEX file %s\n", argv[0], argv[pi]); exit(1); } printf("Loaded %d section of ihex\n", cnt); for (int ci = 0; ci < cnt; ci++) { if (chunk[ci].baseaddr < (1*1024*1024)) { f.flash = chunk[ci].data; f.flashsize = chunk[ci].size; f.flashbase = chunk[ci].baseaddr; printf("Load HEX flash %08x, %d\n", f.flashbase, f.flashsize); } else if (chunk[ci].baseaddr >= AVR_SEGMENT_OFFSET_EEPROM || chunk[ci].baseaddr + loadBase >= AVR_SEGMENT_OFFSET_EEPROM) { // eeprom! f.eeprom = chunk[ci].data; f.eesize = chunk[ci].size; printf("Load HEX eeprom %08x, %d\n", chunk[ci].baseaddr, f.eesize); } } } else { if (elf_read_firmware(filename, &f) == -1) { fprintf(stderr, "%s: Unable to load firmware from file %s\n", argv[0], filename); exit(1); } } } } if (strlen(name)) strcpy(f.mmcu, name); if (f_cpu) f.frequency = f_cpu; avr = avr_make_mcu_by_name(f.mmcu); if (!avr) { fprintf(stderr, "%s: AVR '%s' not known\n", argv[0], f.mmcu); exit(1); } avr_init(avr); avr_load_firmware(avr, &f); if (f.flashbase) { printf("Attempted to load a bootloader at %04x\n", f.flashbase); avr->pc = f.flashbase; } avr->log = (log > LOG_TRACE ? LOG_TRACE : log); avr->trace = trace; for (int ti = 0; ti < trace_vectors_count; ti++) { for (int vi = 0; vi < avr->interrupts.vector_count; vi++) if (avr->interrupts.vector[vi]->vector == trace_vectors[ti]) avr->interrupts.vector[vi]->trace = 1; } // even if not setup at startup, activate gdb if crashing avr->gdb_port = 1234; if (gdb) { avr->state = cpu_Stopped; avr_gdb_init(avr); } signal(SIGINT, sig_int); signal(SIGTERM, sig_int); for (;;) { int state = avr_run(avr); if ( state == cpu_Done || state == cpu_Crashed) break; } avr_terminate(avr); }